Butylene Glycol
BGButylene Glycol (and) Water1,3-Butanediol
Humectant
Butylene glycol is a liquid ingredient that helps keep skin hydrated and moist. It's often used in skincare products to lock in moisture and soothe dry skin.
Low Concern
Source: FDA GRAS list
Butylene glycol is generally considered safe for use in cosmetics and personal care products, as it is easily absorbed by the skin and does not cause significant irritation.

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[Routine Help] Could you help me determine what ingredient(s) my skin in sensitive to ? Is it Butylen Glycol ?
The Role of Moisturizer Containing Anti-inflammatory on Skin Hydration in Mild-Moderate Atopic Dermatitis Patients.
Prakoeswa CRS, Damayanti, Anggraeni S
2024
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Last updated: May 16, 2026